second-source

英 [second-source]
美 [second-source]

中文释义

a. [经]第二来源的

单词分析

单词结构：

second-source

字母数：13

记忆提示

🎯 重点记忆：

  • 单词拼写：second-source
  • 核心含义：a. [经]第二来源的

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更新时间：2026-04-25 16:40:21